Service Procedure
FIGURE 1:
1. Determine which emission system is installed on vehicle by inspecting vehicle emission control information label on underside of engine hood panel.
2. Determine need for correction by following steps described in Figure 1.
Following appropriate Service Manual procedures, unless specified otherwise, perform the following:
FOR FEDERAL TO CALIFORNIA CONVERSION
3. Remove carburetor.
4. Remove high altitude compensation (HAC) valve, hose, jet (6-way vacuum hose connector - green) and bracket.
5. Remove vacuum pipe assembly and hose (with check valve) to distributor, discard check valve assembly.
6. Remove EGR pipe and EGR valve.
7. Remove AIR suction pipes, hoses and blank plug exhaust manifold side.
FIGURE 2B - CALIFORNIA:
8. Install new AIR suction system parts from kit, see Figure 2B.
9. Reinstall new EGR valve and EGR pipe and gasket from kit.
10. Install new vacuum pipe assembly from kit. Torque retaining bolt to 25 N-m (18 lb. ft.)
11. Install Carburetor.
12. Connect vacuum hoses to carburetor and vacuum pipe assembly - see vacuum hose information label applicable to vehicle, also reference appropriate Service Manual component diagrams in section 6E14.
13. Install blank plugs to vacuum pipes at carburetor and distributor vacuum advancer unit per California hose information label.
14. Install new air cleaner from kit.
15. Attach appropriate Emission Control Information and Vacuum Hose Information labels from kit.
Note: There are two (2) different vacuum hose labels - one each for "with power steering" identified by "4A-LC W/PS" at top left corner and "no power steering" identified by "4A-LC" at top left corner.
16. Remove catalytic converter, gaskets and exhaust pipe-center.
17. Install new exhaust pipe-center and gasket, new catalytic converter and gaskets from kit.
18. Remove ECM and install new ECM from kit.
19. Install Campaign Identification Label.
FOR CALIFORNIA TO FEDERAL CONVERSION
3. Remove carburetor.
4. Remove blank plugs from carburetor vacuum port (front of carburetor) and from distributor vacuum advancer unit - shown on underhood vacuum hose information label. (Cal.).
5. Remove vacuum pipe assembly.
6. Remove EGR pipe and EGR valve.
7. Remove AIR suction pipes and hoses, unfasten pipe union at exhaust manifold side and unfasten pipe clamp. Install plug (part of kit) into exhaust manifold AIR suction pipe hole.
FIGURE 2A - FEDERAL:
8. Install new AIR suction system parts from kit, see Figure 2A - Do not connect to catalytic converter.
9. Install new EGR valve and EGR pipe and gasket from kit.
10. Install new vacuum pipe assembly from kit. Torque retaining bolt to 25 N-m (18 lb.ft.).
11. Install Carburetor.
12. Install new HAC valve from kit - includes hose, bracket, and jet (6-way vacuum hose connector - green).
13. Connect vacuum hoses to carburetor and vacuum pipe assembly - see vacuum hose information label applicable to vehicle, also reference appropriate Service Manual component diagrams in section 6E14.
14. Install new air cleaner from kit.
15. Attach appropriate Emission Control Information and Vacuum Hose Information labels from kit.
16. Remove catalytic converter, gaskets and exhaust pipe-center.
17. Install new exhaust pipe-center and gasket, new catalytic converter and gaskets from kit. Connect new AIR suction pipe to converter.
18. Remove ECM and install new ECM from kit.
19. Install Campaign Identification Label.